MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was identified as malicious by a machine learning classifier and ClamAV, flagging it as a phishing trojan. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO spam operation. The document body, though heavily obfuscated, contains text related to 'Adjectives worksheets for class 4th', indicating a lure to disguise the malicious intent of directing users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://zajinet.ru/strik?utm_term=adjectives+worksheets+for+class+4th PDF link annotation
- https://vepegusekukoj.weebly.com/uploads/1/3/4/4/134470637/sowumonikep.pdfIn PDF document text
- https://zegekeli.weebly.com/uploads/1/3/4/6/134616407/pubod.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457849/normal_605562fe2d25a.pdfIn PDF document text
- https://panemomozig.weebly.com/uploads/1/3/4/5/134503052/wedawirixajitapa.pdfIn PDF document text
- https://danabemove.weebly.com/uploads/1/3/0/7/130776083/luviluzidupo_pajatejitefu_nudikiwas.pdfIn PDF document text
- https://putesoborufo.weebly.com/uploads/1/3/0/8/130814126/8649205.pdfIn PDF document text
- https://nenikekawudiw.weebly.com/uploads/1/3/4/4/134468161/wevakuti_sozasiwem_kuwalokilirer_zeriwimi.pdfIn PDF document text
- https://nijeliwawinezim.weebly.com/uploads/1/3/4/4/134497061/fukuzo.pdfIn PDF document text
- https://wavarojejepifog.weebly.com/uploads/1/3/4/5/134590929/709370.pdfIn PDF document text
- https://wugepazi.weebly.com/uploads/1/3/4/3/134348030/d3395f1858cc.pdfIn PDF document text
- https://nafejodibema.weebly.com/uploads/1/3/4/3/134318188/cc6ec4eb796f660.pdfIn PDF document text
- https://fusonunobowur.weebly.com/uploads/1/3/0/8/130813531/zomogelosanoxato.pdfIn PDF document text
- https://wezisaveveto.weebly.com/uploads/1/3/3/9/133999444/01fe008.pdfIn PDF document text
- https://bivapere.weebly.com/uploads/1/3/4/6/134689139/7240870.pdfIn PDF document text
- https://zigaxedalinuj.weebly.com/uploads/1/3/4/0/134016671/4970353.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421468/normal_5fe174fe0203c.pdfIn PDF document text
- https://mamasikixatok.weebly.com/uploads/1/3/5/9/135961158/8207410.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kawotexulozax/bixufozivaxot.pdfIn PDF document text
- https://s3.amazonaws.com/tokudapele/bosifofidozivuforuwepifi.pdfIn PDF document text
- https://s3.amazonaws.com/supefujoxopubu/66393406899.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC95 | 5476 bytes |
SHA-256: e2c57bc2ba64c57e4a27ce351cefd2e8d54ce50dcd44b8cbe91858cbefcc6898 |
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font_01_sfnt_off00010f58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F58 | 11028 bytes |
SHA-256: a0ae9dc764f0d12d1a7ee704e2c23b45791190632efe074e0920560a5efd31e9 |
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